The OR_LOG table has one row per surgical log. The OR_CASE table has one row per surgical case. Its CASE_ID column idenifies each case. If a log has an associated case, OR_LOG.CASE_ID will store the case's ID. Otherwise, it will be NULL. A query uses the following join: FROM OR_LOG INNER JOIN OR_CASE ON OR_LOG.CASE = OR_CASE.CASE_ID Which of the following would be in the results? A. A log with no associated case B. A log associated with a case C. A case with no associated log D. Rows with no case or log
The OR_LOG table has one row per surgical log. The OR_CASE table has one row per surgical case. Its CASE_ID column idenifies each case. If a log has an associated case, OR_LOG.CASE_ID will store the case's ID. Otherwise, it will be NULL. A query uses the following join: FROM OR_LOG INNER JOIN OR_CASE ON OR_LOG.CASE = OR_CASE.CASE_ID Which of the following would be in the results? A. A log with no associated case B. A log associated with a case C. A case with no associated log D. Rows with no case or log
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The OR_LOG table has one row per surgical log. The OR_CASE table has one row per surgical case. Its CASE_ID column idenifies each case.
If a log has an associated case, OR_LOG.CASE_ID will store the case's ID. Otherwise, it will be NULL. A query uses the following join:
FROM OR_LOG
INNER JOIN OR_CASE
ON OR_LOG.CASE = OR_CASE.CASE_ID
Which of the following would be in the results?
A. A log with no associated case
B. A log associated with a case
C. A case with no associated log
D. Rows with no case or log
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